Phobos, Reaper of Fear

Flying, fear, shroud
Wither (This deals damage to creatures in the form
of -1/-1 counters.)
Paralysis {1}{u}{b}, {t}: Target creature can't attack
or block, and its activated abilities cannot be activated. At the beginning of each upkeep, put a
-1/-1 counter on that creature.
Do not fear death, or you will die!